US2785127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil well inhibitor
Assignee: ConocoPhillips Co
•
Filing: 1953-09-16
•
Granted: 1957-03-12
•
Expires: 1973-09-16
Abstract
No abstract record available.
Inventors
- 👤 D Arcy A Shock
- 👤 John D Sudbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:14
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF TREATING OIL WELLS CONTAINING A COLUMN OF CORROSIVE FORMATION LIQUIDS WHICH COMPRISES THE ADDITION THERETO OF A WEIGHTED CORROSION INHIBITING COMPOSITION SAID COMPOSITION COMPRISING A SUBSTANTIALLY OIL INSOLUBLE WATER DISPERSIBLE HOMOGENY HAVING A SPECIFIC GRAVITY GREATER THAN 1.01 COMPRISING A LIQUID IRON CORROSION INHIBITOR WHICH HAS A SPECIFIC GRAVITY OF LESS THAN 1.0 AND AN ORGANIC POLYHYDROXY COMPOUND HAVING THE SPECIFIC GRAVITY OF MORE THAN 1.1.
Claim 2
Independent Claim
69 words
A METHOD OF TREATING OIL WELLS CONTAINING A COLUMN OF CORROSIVE FORMATION LIQUIDS WHICH COMPRISES THE ADDITION THERETO OF A WEIGHTED CORROSION INHIBITING COMPOSITION SAID COMPOSITION COMPRISING A SUBSTANTIALLY OIL INSOLUBLE WATER DISPERSIBLE HOMOGENY HAVING A SPECIFIC GRAVITY GREATER THAN 1.01 COMPRISING A LIQUID IRON CORROSION INHIBITOR WHICH HAS A SPECIFIC GRAVITY OF LESS THAN 1.0 AND AN ORGANIC POLYHYDROXY COMPOUND HAVING THE SPECIFIC GRAVITY OF MORE THAN 1.1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |